diff --git a/lib/OpenLayers/Protocol/HTTP.js b/lib/OpenLayers/Protocol/HTTP.js
index 5929c5d809..61a94eb448 100644
--- a/lib/OpenLayers/Protocol/HTTP.js
+++ b/lib/OpenLayers/Protocol/HTTP.js
@@ -8,6 +8,7 @@
  * @requires OpenLayers/Filter/Spatial.js
  * @requires OpenLayers/Filter/Comparison.js
  * @requires OpenLayers/Filter/Logical.js
+ * @requires OpenLayers/Request/XMLHttpRequest.js
  */
 
 /**